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2015-10-10 8:22 GMT+02:00 <>:

> My problem is that I don't know how to get the table name lua
> refers to; while the key is passed as a string, the table is passed
> as a lua internal variable which means nothing to me.

Lua doesn't really know. All Lua values are first-class: they can exist
anonymously or have one or more names, which may be local, upvalue
or global. The table might even exist merely as a key in another table.

> Probably I will end up using different xl_getxtable() functions, each
> one with its hard-coded table name inside; it would be faster and
> the tables to export are not so many. But while am at it, I want to
> understand.

This is probably the cleanest solution in your application.